A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5855-00-560-0110
NSN 6620-01-337-9070
NSN 5975-00-570-9598
NSN 6610-00-943-3136
NSN 6150-01-382-8823
NSN 7035-01-411-2900
NSN 5915-01-063-9521
NSN 5855-01-629-9005
NSN 5925-01-369-2816
NSN 5835-00-289-9080
NSN 6620-00-555-3992
NSN 5965-01-586-5283